VMMC VMMC Medical Solved Paper-2010

  • question_answer
    In which one of the following reactions, substrate level phosphorylation does not occur?

    A) 1, 3-bisphosphoglyceric acid\[\to \]3 phosphoglyceric acid

    B) Glucose-6-phosphate \[\to \] Fructose-6- phosphate

    C) Succinyl Co-A \[\to \] Succinic acid

    D) Phosphoenol pyruvic acid \[\to \]Pyruvic acid

    Correct Answer: B

    Solution :

    Substrate level phosphorylation involves the direct transfer of a phosphate group from a substrate molecule to ADP for the formation of ATP. Conversion of glucose-6-phosphate into fructose-6-phosphate is a simple isomerisation reaction. It involves the enzyme hexose phosphate isomerase.


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